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A simple random sample of 60 households in City 1 is taken.In the sample,there are 45 households that decorate their houses with lights for the holidays.A simple random sample of 50 households is also taken from the neighboring City 2.In the sample,there are 40 households that decorate their houses.We wish to estimate the difference in proportions of households that decorate their houses with lights for the holidays,with a 95% confidence interval.What is a 95% confidence interval for the difference in population proportions of households that decorate their houses with lights for the holidays?
Principles
Fundamental truths, beliefs, or propositions that serve as the foundation for a system of belief or behavior or for a chain of reasoning.
Patronage System
A political arrangement where government jobs are given based on political affiliation and loyalty rather than merit or competence.
Government Jobs
Employment positions within federal, state, or local government agencies.
Party Faithful
Loyal members and supporters of a particular political party who consistently support the party's policies and candidates.
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